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21061 Sigma

Calcium carbonate

BioUltra, precipitated, ≥99.0% (KT)

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Properties

Related Categories Acids & Bases, Alphabetical, Bases, BioUltra Buffers, Biochemicals and Reagents,
InChI Key   VTYYLEPIZMXCLO-UHFFFAOYSA-L
product line   BioUltra
assay   ≥99.0% (KT)
form   powder
quality   precipitated
impurities   insoluble matter, passes filter test
loss   ≤0.5% loss on drying, 110 °C
solubility   5 M HCl: soluble0.1 M at 20 °C, clear, colorless
density   2.93 g/mL at 25 °C(lit.)
anion traces   chloride (Cl-): ≤100 mg/kg
  sulfate (SO42-): ≤200 mg/kg
cation traces   As: ≤0.1 mg/kg
  Ba: ≤50 mg/kg
  Bi: ≤5 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤50 mg/kg
  K: ≤50 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤1000 mg/kg
  Mn: ≤100 mg/kg
  Mo: ≤5 mg/kg
  Na: ≤100 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤500 mg/kg
  Zn: ≤10 mg/kg
λ   0.1 M in 5 M HCl
UV absorption   λ: 260 nm Amax: ≤0.09
  λ: 280 nm Amax: ≤0.06

Description

Other Notes

Component of tetrathionate-containing and tetrathionate-producing culture media (TBG Broth) for buffering sulfuric acid produced on reduction of tetrathionate. Media component for luminous bacteria

Price and Availability

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.



Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
nwg
RTECS 
FF9335000
Protocols & Articles

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